import {
  forwardRef,
  useEffect,
  useImperativeHandle,
  useMemo,
  useState,
} from "react";
import terminalService from "@/api/services/qms/terminalService";
import { TableToolbar } from "@/components/grid/TableToolbar";
import { Button } from "antd";
import Table, { type ColumnsType } from "antd/es/table";
import { toast } from "sonner";
import type { QmsInspectionTerminalItem } from "./entity";
import MultiDefectSelector from "@/pages/components/selector/MultiDefectSelect";
import type { QmsDefect } from "../defect/entity";
import TableDictTag from "@/components/grid/TableDictTag";

interface QmsInspectionTerminalItemProps {
  parentId?: React.Key;
}

export interface QmsInspectionTerminalItemHandles {
  getAddList: () => QmsInspectionTerminalItem[];
  getUpdateList: () => QmsInspectionTerminalItem[];
  getDeleteIds: () => React.Key[];
}

const QmsInspectionTerminalItemPage = forwardRef<
  QmsInspectionTerminalItemHandles,
  QmsInspectionTerminalItemProps
>(({ parentId }, ref) => {
  const [loading, setLoading] = useState(false);
  const [list, setList] = useState<QmsInspectionTerminalItem[]>([]);
  const [selectedRowKeys, setSelectedRowKeys] = useState<React.Key[]>([]);
  // 添加一个状态来跟踪临时ID
  const [tempIds, setTempIds] = useState<React.Key[]>([]);
  const [addList, setAddList] = useState<QmsInspectionTerminalItem[]>([]);
  const [updateList, setUpdateList] = useState<QmsInspectionTerminalItem[]>([]);
  const [deleteIds, setDeleteIds] = useState<React.Key[]>([]);

  const [selectVisiable, setSelectVisiable] = useState(false);

  useImperativeHandle(
    ref,
    () => ({
      getAddList: () => addList,
      getUpdateList: () => updateList,
      getDeleteIds: () => deleteIds,
    }),
    [addList, updateList, deleteIds]
  );

  useEffect(() => {
    const newAddList = list.filter(
      (item) => item.id && tempIds.includes(item.id)
    );
    setAddList(newAddList);
    const updateList = list.filter(
      (item) => item.id && !tempIds.includes(item.id)
    );
    setUpdateList(updateList);
  }, [list]);

  const [tableSize, setTableSize] = useState<"large" | "middle" | "small">(
    "middle"
  );

  //动态设置表格高度
  const [tableScrollY, setTableScrollY] = useState(0);
  const PAGE_OFFSET_HEIGHT = 403;
  const updateTableHeight = () => {
    const newHeight = window.innerHeight - PAGE_OFFSET_HEIGHT;
    setTableScrollY(newHeight > 200 ? newHeight : 200); // 保证最小高度
  };

  // biome-ignore lint/correctness/useExhaustiveDependencies: <explanation>
  useEffect(() => {
    updateTableHeight(); // 初始化
    window.addEventListener("resize", updateTableHeight);
    return () => window.removeEventListener("resize", updateTableHeight);
  }, []);

  //表格列定义
  const columns: ColumnsType<QmsInspectionTerminalItem> = [
    {
      title: "缺陷编码",
      width: 120,
      key: "defectCode",
      dataIndex: "defectCode",
    },
    {
      title: "缺陷名称",
      width: 120,
      key: "defectName",
      dataIndex: "defectName",
    },
    {
      title: "检验项",
      width: 120,
      key: "indexName",
      dataIndex: "indexName",
    },
    {
      title: "缺陷等级",
      width: 120,
      key: "defectLevelName",
      dataIndex: "defectLevelName",
      render: (_, record) => (
        <TableDictTag
          dictCode="qms_defect_level"
          value={record.defectLevel ?? ""}
        />
      ),
    },
  ];

  const [selectedValues, setSelectedValues] = useState<string[]>(() =>
    columns
      .filter((col) => col.key !== "operation")
      .map((col) => (col.key ? String(col.key) : ""))
  );

  // biome-ignore lint/correctness/useExhaustiveDependencies: <explanation>
  const filteredColumns = useMemo(() => {
    return [
      ...columns.filter(
        (col) =>
          selectedValues.includes(String(col.key)) || col.key === "operation"
      ),
    ].sort((a, b) => {
      const originalIndex = columns.findIndex((c) => c.key === a.key);
      const targetIndex = columns.findIndex((c) => c.key === b.key);
      return originalIndex - targetIndex;
    });
  }, [selectedValues]);

  //加载表格数据
  const fetchList = () => {
    if (!parentId) return;

    setLoading(true);
    terminalService
      .getItems(parentId)
      .then((res) => {
        setList(res);
      })
      .catch((error) => {
        console.log(error);
        toast.error("获取数据失败！", error);
      })
      .finally(() => {
        setLoading(false);
      });
  };

  // biome-ignore lint/correctness/useExhaustiveDependencies: <explanation>
  useEffect(() => {
    if (parentId) {
      fetchList();
    } else {
      // 初始化时清空状态
      setList([]);
      setSelectedRowKeys([]);
      setTempIds([]);
      setAddList([]);
      setUpdateList([]);
      setDeleteIds([]);
    }
  }, [parentId]);

  const handleAdd = () => {
    setSelectVisiable(true);
  };

  const handleSelect = (selectedDefects: QmsDefect[]) => {
    // 先获取已存在的 userId 列表
    const existDefectIds = list.map((item) => item.defectId);

    // 只添加不存在于 list 中的 defectId
    const newItemList: QmsInspectionTerminalItem[] = selectedDefects
      .filter((defect) => !existDefectIds.includes(defect.id))
      .map((defect) => ({
        id: defect.id, // 使用临时ID
        terminalId: parentId,
        defectId: defect.id,
        defectCode: defect.defectCode,
        defectName: defect.defectName,
        defectLevel: defect.defectLevel,
        indexName: defect.indexName,
      }));

    setList((prevList) => [...prevList, ...newItemList]);
    // 添加到临时ID列表
    const newTempIds = newItemList.map((item) => item.id);
    setTempIds((prev) => [...prev, ...newTempIds]);

    setSelectVisiable(false);
  };

  // 在删除方法中修改判断逻辑
  const handleDelete = () => {
    // 如果没有选中行，直接返回
    if (selectedRowKeys.length === 0) {
      return;
    }

    // 更新删除ID列表
    const newDeleteIds = [...deleteIds];

    // 将已有ID但不在deleteIds中的ID添加到deleteIds
    for (const key of selectedRowKeys) {
      const item = list.find((item) => item.id === key);
      if (item?.id && !tempIds.includes(item.id)) {
        // 如果不在临时ID列表中，则添加到删除列表
        if (!newDeleteIds.includes(item.id)) {
          newDeleteIds.push(item.id);
        }
      }
    }

    // 更新deleteIds状态
    setDeleteIds(newDeleteIds);

    // 从列表中移除选中的行
    setList((prevList) =>
      prevList.filter((item) => !selectedRowKeys.includes(item.id))
    );
    // 从tempIds中移除被删除的临时ID
    setTempIds((prevTempIds) =>
      prevTempIds.filter((id) => !selectedRowKeys.includes(id))
    );
    // 清空选中状态
    setSelectedRowKeys([]);
  };

  return (
    <>
      <div className="flex justify-between mb-4">
        <div className="flex gap-2">
          <Button type="primary" onClick={handleAdd}>
            新增
          </Button>
          <Button
            danger
            disabled={selectedRowKeys.length === 0}
            onClick={handleDelete}
          >
            删除
          </Button>
        </div>
        <TableToolbar
          onRefresh={() => fetchList()}
          onSizeChange={setTableSize}
          columns={columns}
          selectedValues={selectedValues}
          onColumnChange={setSelectedValues}
        />
      </div>
      <Table
        rowKey="id"
        size={tableSize}
        scroll={{ x: "max-content", y: tableScrollY }}
        loading={loading}
        pagination={false}
        columns={filteredColumns}
        dataSource={list}
        rowSelection={{
          type: "checkbox",
          selectedRowKeys: selectedRowKeys,
          onChange: (selectedKeys) => {
            setSelectedRowKeys(selectedKeys as React.Key[]);
          },
        }}
      />

      <MultiDefectSelector
        open={selectVisiable}
        onCancel={() => setSelectVisiable(false)}
        onOk={(selectDefects) => handleSelect(selectDefects)}
      />
    </>
  );
});

export default QmsInspectionTerminalItemPage;
